#4133B7#4133B7

#4133B7 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 43.0% C 0.197 H 278.9°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#4133B7
RGB	rgb(65, 51, 183)
HSL	hsl(246, 56%, 46%)
HSV	hsv(246, 72%, 72%)
CMYK	cmyk(64.5%, 72.1%, 0%, 28.2%)
CIE-LAB	lab(31.60, 45.02, -67.45)
CIE-LCH	lch(31.60, 81.10, 303.72°)
OKLab	oklab(42.98% 0.0304 -0.1947)
OKLCH	oklch(42.98% 0.197 278.9)
XYZ	xyz(11.9083, 6.9094, 45.4967)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4133B7 #A9B733

analogous

#3367B7 #4133B7 #8333B7

triadic

#4133B7 #B74133 #33B741

tetradic

#4133B7 #B73367 #A9B733 #33B783

square

#4133B7 #B73367 #A9B733 #33B783

split-complementary

#4133B7 #B78333 #67B733

monochromatic

#1F1857 #302687 #4133B7 #6457D0 #9087DE

Accessibility & contrast

On white

8.82

#4133B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4133B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133B7

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133B7	#FFFFFF	#000000	##FFFFFF
##4133B7	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBB

Deuteranopia (green-blind)

#0045B5

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4133b7;
/* rgb */ color: rgb(65, 51, 183);
/* oklch */ color: oklch(43.0% 0.197 278.9);

Tailwind

colors: {
  custom: {
    50: '#856dce',
    500: '#4133b7',
    950: '#000000',
  },
}

SCSS

$custom: #4133b7;
$custom-light: #856dce;
$custom-dark: #000000;

JSON

{
  "hex": "#4133b7",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 246.364,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42976,
    "c": 0.19704,
    "h": 278.9
  },
  "luminance": 0.0691
}

Semantic roles & 50–950 ramp

primary

#4133B7

secondary

#C0C77F

accent

#E048D0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4133B7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →